| 极限等效荷载平衡法弯矩调幅系数探讨 |
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| 引用本文： | 王雪莹,左宏亮,刘晚成. 极限等效荷载平衡法弯矩调幅系数探讨[J]. 低温建筑技术, 2009, 31(3): 45-46 |
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| 作者姓名： | 王雪莹 左宏亮 刘晚成 |
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| 作者单位： | 东北林业大学,土木工程学院,哈尔滨,150040;东北林业大学,土木工程学院,哈尔滨,150040;东北林业大学,土木工程学院,哈尔滨,150040 |
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| 摘 要： | 分析了美国规范中普通钢筋混凝土结构与预应力混凝土结构弯矩调幅系数的计算公式，对国内一些模型试验结果进行了计算分析，建立了适用于极限等效荷载平衡法的以相对受压区高度的倒数d，c为自变量的支座控制截面弯矩调幅β的函数表达式。
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| 关 键 词： | 钢筋混凝土结构 预应力混凝土结构 弯矩调幅系数 |
DISCUSSION ABOUT MOMENT MODULATION COEFFICIENT OF ULTIMATE EQUIVALENT LOAD BALANCE METHOD |
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| WANG Xue-ying,ZUO Hong-liang,LIU Wan-cheng. DISCUSSION ABOUT MOMENT MODULATION COEFFICIENT OF ULTIMATE EQUIVALENT LOAD BALANCE METHOD[J]. Low Temperature Architecture Technology, 2009, 31(3): 45-46 |
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| Authors: | WANG Xue-ying ZUO Hong-liang LIU Wan-cheng |
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| Affiliation: | School of Civil Engineering;Northeast Forestry University;Harbin 150040;China |
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| Abstract: | This paper analyzes the calculation formula of concrete structure and prestressed concrete structure moment modulation coefficient in American code,and calculates and analyzes the results of some model experiments inside China.The function which can be applied to ultimate equivalent load balance method is developed for calculating moment modulation coefficientin β critical section of the support,where the reciprocal of relative depth of compression zone is treated as independent variable. |
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| Keywords: | concrete structure prestressed concrete structure moment modulation coefficient |
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